http://stackoverflow.com/questions/32785720/celery-beat-not-starting-eoferrorran-out-of-input
Looks like your celerybeat-schedule file is corrupted. You can remove it, but that will reset all last run at times for the periodic tasks.
celerybeat-schedule
Indeed, thanks.
Most helpful comment
Looks like your
celerybeat-schedulefile is corrupted. You can remove it, but that will reset all last run at times for the periodic tasks.